ci: update Ruby versions and enable Chrome dockerization in test workflow

Author: route

.github/workflows/tests.yml

@@ -11,11 +11,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["2.7", "3.0", "3.1", "3.2", "3.3", "3.4"]
+        ruby: ["3.1", "3.2", "3.3", "3.4", "4.0"]
     runs-on: ubuntu-latest
     env:
       FERRUM_PROCESS_TIMEOUT: 25
       FERRUM_DEFAULT_TIMEOUT: 15
+      FERRUM_CHROME_DOCKERIZE: true
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -31,11 +32,6 @@ jobs:
         with:
           chrome-version: stable
 
-      - name: Fix GA Chrome Permissions
-        run: |
-          sudo chown root:root /opt/hostedtoolcache/setup-chrome/chromium/stable/x64/chrome-sandbox
-          sudo chmod 4755 /opt/hostedtoolcache/setup-chrome/chromium/stable/x64/chrome-sandbox
-
       - name: Run tests
         run: |
           mkdir -p /tmp/cuprite